<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="utils/my.js"></script>
</head>
<body>

</body>
<script>
    function fn(a,b){
        console.log("fn",this,a,b);
    }
    fn.apply(1,[1,2]);
    fn.apply("abc",[11,12]);
</script>
</html>